| Name | From | To | Age range |
|---|---|---|---|
| Fibrocysta acornuta | Late Kimmeridgian | Early Purbeckian |
|
| Fibrocysta | Early Cretaceous | Early Oligocene |
|
| Fibrocysta cincta | Albian | Cenomanian |
|
| Fibrocysta klumppiae | Late Cretaceous | Paleocene |
|
| Fibrocysta sp | Late Turonian | Early Oligocene |
|
| Fibrocysta morgenrothii | Senonian | Middle Campanian |
|
| Fibrocysta mutinensis | Senonian | Senonian |
|
| Fibrocysta deflandrei | Senonian | Senonian |
|
| Fibrocysta vectensis | Santonian | Rupelian |
|
| Fibrocysta lappacea | Campanian | Lutetian |
|
| Fibrocysta prolixa | Campanian | Campanian |
|
| Fibrocysta mirabilis | Campanian | Late Eocene |
|
| Fibrocysta variabilis | Middle Campanian | Early Pliocene |
|
| Fibrocysta ovalis | Late Campanian | Eocene |
|
| Fibrocysta bipolaris | Maastrichtian | Middle Eocene |
|
| Fibrocysta sp.1 | Early Haumurian | Early Haumurian |
|
| Fibrocysta axialis | Maastrichtian | Chattian |
|